Four Women Who Are Making a Difference

Tarrah Cooper, 27

Standing on the shoulders of political greats like Shirley Chisholm and...

Standing on the shoulders of political greats like Shirley Chisholm and Condoleezza Rice, Cooper serves as press secretary to Chicago Mayor Rahm Emanuel. And while she admires her new boss, she's most influenced by the women in her past. "I've been very fortunate to be surrounded by women who are committed to leaving the world a little bit better than they found it," says the Chicago native.